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https://www.readbyqxmd.com/read/28641158/determinants-of-cortisol-during-pregnancy-the-abcd-cohort
#1
Laura S Bleker, Tessa J Roseboom, Tanja G Vrijkotte, Rebecca M Reynolds, Susanne R de Rooij
BACKGROUND: Psychosocial stress during pregnancy has been proposed as a major contributor of glucocorticoid-mediated programming of the fetal hypothalamic-pituitary adrenal (HPA) axis, with later adverse health consequences. However, evidence linking maternal stress to maternal cortisol values during pregnancy is inconclusive. A possible explanation for this is that other maternal factors overshadow any potential effects of stress on cortisol levels. We studied a large cohort of pregnant women with extensive data on pregnancy characteristics to determine the respective contributions of biological, environmental and psychosocial stress factors to cortisol levels in pregnancy...
May 31, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28640938/obstructive-sleep-apnoea-and-polycystic-ovary-syndrome-a-comprehensive-review-of-clinical-interactions-and-underlying-pathophysiology
#2
REVIEW
Hassan Kahal, Ioannis Kyrou, Abd A Tahrani, Harpal S Randeva
Polycystic ovary syndrome (PCOS) is the most prevalent endocrine disorder in women of reproductive age. PCOS is associated with multiple co-morbidities including, obesity, insulin resistance and type 2 diabetes, as well as mood disorders and impaired quality of life (QoL). Obstructive sleep apnoea (OSA) is also a common medical condition that is often undiagnosed, particularly in women. OSA is associated with a similar spectrum of comorbidities to that observed in PCOS, including manifestations of the metabolic syndrome and impaired QoL, whilst obesity frequently constitutes a common denominator in the pathophysiology of both OSA and PCOS...
June 22, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28640657/retinal-findings-on-oct-in-systemic-conditions
#3
Preeti Patil Chhablani, Vikas Ambiya, Akshay G Nair, Sailaja Bondalapati, Jay Chhablani
PURPOSE: Imaging technology has advanced by leaps and bounds in the recent past and has resulted in a much greater understanding of ocular diseases. The aim of this review article is to summarize optical coherence tomography (OCT) findings of various systemic conditions. METHOD: A systematic literature search of the Medline/PubMed database was performed. English articles up to April 2015 were included. Terms used for search included: Alzheimer's Disease; Multiple Sclerosis; Parkinson's Disease; Behçet's Disease; Schizophrenia; Migraine; Obstructive Sleep Apnea Syndrome; Neurofibromatosis; Sickle Cell Disease; Renal diseases; Lupus Retinopathy; Valsalva Retinopathy; Whiplash Retinopathy; Shaken-Baby Syndrome; Choroidal metastases; Intracranial Hypertension; Drug toxicity; Deferoxamine; Sildenafil; Tamoxifen; Hydroxychloroquine; Chloroquine; Ethambutol; Lead; Sickle Cell Disease; and Thalassemia along with OCT...
June 22, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28640576/the-effect-of-aromatherapy-on-insomnia-and-other-common-symptoms-among-patients-with-acute-leukemia
#4
Lisa Blackburn, Sara Achor, Betty Allen, Nicole Bauchmire, Danielle Dunnington, Rebecca Klisovic, Steven Naber, Kirsten Roblee, Angela Samczak, Kelly Tomlinson-Pinkham, Esther Chipps
Purpose/Objectives: To determine if the use of aromatherapy improves insomnia and other common symptoms in hospitalized patients with newly diagnosed acute leukemia. Design: A randomized, crossover, washout trial. Setting: An inpatient acute leukemia unit at the Arthur G. James Cancer Hospital and Richard L. Solove Research Institute of the Wexner Medical Center at Ohio State University in Columbus. Sample: 50 patients who were newly diagnosed with acute leukemia and hospitalized to receive their initial four weeks of intensive induction chemotherapy...
June 16, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28637278/functional-and-structural-analysis-of-at-specific-minor-groove-binders-that-disrupt-dna-protein-interactions-and-cause-disintegration-of-the-trypanosoma-brucei-kinetoplast
#5
Cinthia R Millan, Francisco J Acosta-Reyes, Laura Lagartera, Godwin U Ebiloma, Leandro Lemgruber, J Jonathan Nué Martínez, Núria Saperas, Christophe Dardonville, Harry P de Koning, J Lourdes Campos
Trypanosoma brucei, the causative agent of sleeping sickness (Human African Trypanosomiasis, HAT), contains a kinetoplast with the mitochondrial DNA (kDNA), comprising of >70% AT base pairs. This has prompted studies of drugs interacting with AT-rich DNA, such as the N-phenylbenzamide bis(2-aminoimidazoline) derivatives 1 [4-((4,5-dihydro-1H-imidazol-2-yl)amino)-N-(4-((4,5-dihydro-1H-imidazol-2-yl)amino)phenyl)benzamide dihydrochloride] and 2 [N-(3-chloro-4-((4,5-dihydro-1H-imidazol-2-yl)amino)phenyl)-4-((4,5-dihydro-1H-imidazol-2-yl)amino)benzamide] as potential drugs for HAT...
June 16, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28637196/chronological-change-of-right-ventricle-by-chronic-intermittent-hypoxia-in-mice
#6
Hyung-Ju Cho, Woon Heo, Jung Woo Han, Yong Hyuk Lee, Jin Myung Park, Min Jung Kang, Joo-Heon Yoon, Min Goo Lee, Chang-Hoon Kim, Joo Young Kim
Study Objective: No studies have investigated sequential changes in the heart on MRI, along with observation of functional lung phenotypes and genetics, over the duration of chronic intermittent hypoxia (CIH). We investigated chronological changes in heart and lung phenotypes after CIH using a mouse model to provide new insights into the pathophysiology of sleep apnea-induced cardiovascular disease. Methods: C57BL/6J adult male mice were randomized to 4 weeks or 8 weeks of CIH...
June 20, 2017: Sleep
https://www.readbyqxmd.com/read/28637078/-update-cardiovascular-sleep-medicine
#7
Benedikt Linz, Michael Böhm, Dominik Linz
The prevalence of sleep-disordered breathing (SDB) is high in patients with cardiovascular diseases. Typical symptoms like daytime sleepiness can be absent and those patients may report unspecific, therapy-resistant symptoms related to their underlying disease. Particularly sleep-related symptoms like nocturia, nocturnal dyspnea and pectangina can be present. Based on the results of recently published studies, the treatment of central sleep apnea in patients with symptomatic, systolic heart failure by adaptive servo-ventilation is no longer recommended...
June 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28637029/blue-enriched-morning-light-as-a-countermeasure-to-light-at-the-wrong-time-effects-on-cognition-sleepiness-sleep-and-circadian-phase
#8
Mirjam Münch, Claudia Nowozin, Johannes Regente, Frederik Bes, Jan De Zeeuw, Sven Hädel, Amely Wahnschaffe, Dieter Kunz
Light during the day and darkness at night are crucial factors for proper entrainment of the human circadian system to the solar 24-h day. However, modern life and work styles have led to much more time spent indoors, often with lower daytime and higher evening/nighttime light intensity from electrical lighting than outdoors. Whether this has long-term consequences for human health is being currently investigated. We tested if bright blue-enriched morning light over several days could counteract the detrimental effects of inadequate daytime and evening lighting...
June 22, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28636933/drosophila-neuropeptide-f-signaling-independently-regulates-feeding-and-sleep-wake-behavior
#9
Brian Y Chung, Jennifer Ro, Sabine A Hutter, Kylie M Miller, Lakshmi S Guduguntla, Shu Kondo, Scott D Pletcher
Proper regulation of sleep-wake behavior and feeding is essential for organismal health and survival. While previous studies have isolated discrete neural loci and substrates important for either sleep or feeding, how the brain is organized to coordinate both processes with respect to one another remains poorly understood. Here, we provide evidence that the Drosophila Neuropeptide F (NPF) network forms a critical component of both adult sleep and feeding regulation. Activation of NPF signaling in the brain promotes wakefulness and adult feeding, likely through its cognate receptor NPFR...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636879/delineating-neuroinflammation-parasite-cns-invasion-and-blood-brain-barrier-dysfunction-in-an-experimental-murine-model-of-human-african-trypanosomiasis
#10
Jean Rodgers, Barbara Bradley, Peter G E Kennedy
Although Trypanosoma brucei spp. was first detected by Aldo Castellani in CSF samples taken from sleeping sickness patients over a century ago there is still a great deal of debate surrounding the timing, route and effects of transmigration of the parasite from the blood to the CNS. In this investigation, we have applied contrast-enhance magnetic resonance imaging (MRI) to study the effects of trypanosome infection on the blood-brain barrier (BBB) in the well-established GVR35 mouse model of sleeping sickness...
June 18, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28636779/comparative-study-shows-differences-in-screen-exposure-sleep-patterns-and-sleep-disturbances-between-jewish-and-muslim-children-in-israel
#11
Tzischinsy Orna, Haimov Iris
AIM: This study determined the differences in screen exposure, sleep patterns and sleep disturbances, and the associations between these factors, among Jewish and Muslim children in Israel. METHODS: The participants were 1,049 school children - 499 Jewish and 550 Muslim - with a mean age of 9.20 ±0.71 years, who attended public schools in both urban and residential settings in 2014. They all completed the Sleep Self-Report questionnaire and the Screen Exposure Questionnaire...
June 21, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28636610/chronotypes-in-the-us-influence-of-age-and-sex
#12
Dorothee Fischer, David A Lombardi, Helen Marucci-Wellman, Till Roenneberg
An individual's chronotype reflects how the circadian system embeds itself into the 24-h day with rhythms in physiology, cognition and behavior occurring accordingly earlier or later. In view of an increasing number of people working at unusual times and linked health and safety risks, the wide range in human chronotypes may provide opportunities to allow people to work (and sleep) at times that are in synch with their circadian physiology. We aimed at estimating the distribution of chronotypes in the US population by age and sex...
2017: PloS One
https://www.readbyqxmd.com/read/28636405/conventional-polysomnography-is-not-necessary-for-the-management-of-most-patients-with-suspected-obstructive-sleep-apnea
#13
Jaime Corral, Maria-Ángeles Sánchez-Quiroga, Carmen Carmona-Bernal, Ángeles Sánchez-Armengol, Alicia Sánchez-de-la-Torre, Joaquín Durán-Cantolla, Carlos J Egea, Neus Salord, Carmen Monasterio, Joaquín Terán, M Luz Alonso-Alvarez, Jesús Muñoz-Méndez, Eva M Arias, Marta Cabello, Josep M Montserrat, Mónica De la Peña, José C Serrano, Ferran Barbe, Juan F Masa
RATIONALE: Home respiratory polygraphy may be a simpler alternative to in-laboratory polysomnography for the management of more symptomatic obstructive sleep apnea patients, but its effectiveness has not been evaluated across a broad clinical spectrum. OBJECTIVE: To compare the long-term effectiveness (6 months) of home respiratory polygraphy and polysomnography management protocols in patients with intermediate to high sleep apnea suspicion (most patients requiring a sleep study)...
June 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28636131/state-trait-and-dental-anxiety-in-caregivers-of-individuals-with-disabilities
#14
Roberto Carlos Mourão Pinho, André Cavalcante da Silva Barbosa, Arnaldo de França Caldas-Júnior, Márcia Maria Vendiciano Barbosa Vasconcelos, Renata Cimões, Maria Teresa Botti Rodrigues Dos Santos
PURPOSE: The aim of this study was to compare state anxiety, trait anxiety, and dental anxiety in caregivers of patients with special needs and caregivers of pediatric patients without special needs at dental clinics. MATERIALS AND METHODS: A quantitative, cross-sectional study was conducted. Data were collected using a semistructured questionnaire. All respondents were older than 18 years of age. Individuals with cognitive impairment and those taking anxiolytics, antidepressants, or sleep-inducing medication were excluded from the study...
June 21, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/28635907/-the-problem-of-obstructive-sleep-apnea-syndrome-in-asthmatic-patients
#15
E G Sheludko, D E Naumov, Yu M Perelman, V P Kolosov
Asthma and obstructive sleep apnea syndrome (OSAS) are one of the most common chronic respiratory diseases. These have common risk factors that include obesity, gastroesophageal reflux disease (GERD) and impaired nasal breathing (allergic rhinitis, sinusitis). At the same time, experimental evidence demonstrates common pathophysiological mechanisms of these diseases, such as involvement in the process of the respiratory tract, a systemic inflammatory response, and implementation of neuromechanical reflexes...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28635906/-obstructive-sleep-apnea-at-high-altitude
#16
A K Myrzaakhmatova
Obstructive sleep apnea (OSA) is an important and socially relevant problem of modern medicine, which is referred to as a most common pathological condition. The problem of OSA is especially urgent for inhabitants of high mountainous regions, as a combination of climatic, social, and cultural factors can significantly affect the course of the disease in both indigenous highlanders and people temporarily residing at high altitude. The paper reviews the current literature covering the problem of OSA at high altitude...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28635658/asperentin-b-a-new-inhibitor-of-the-protein-tyrosine-phosphatase-1b
#17
Jutta Wiese, Hülya Aldemir, Rolf Schmaljohann, Tobias A M Gulder, Johannes F Imhoff
In the frame of studies on secondary metabolites produced by fungi from deep-sea environments we have investigated inhibitors of enzymes playing key roles in signaling cascades of biochemical pathways relevant for the treatment of diseases. Here we report on a new inhibitor of the human protein tyrosine phosphatase 1B (PTP1B), a target in the signaling pathway of insulin. A new asperentin analog is produced by an Aspergillussydowii strain isolated from the sediment of the deep Mediterranean Sea. Asperentin B (1) contains an additional phenolic hydroxy function at C-6 and exhibits an IC50 value against PTP1B of 2 μM in vitro, which is six times stronger than the positive control, suramin...
June 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28635525/the-role-of-prenatal-obstetric-and-post-partum-factors-in-the-parenting-stress-of-mothers-and-fathers-of-9-month-old-infants
#18
Karen Matvienko-Sikar, Gillian Murphy, Mike Murphy
INTRODUCTION: The aim of this paper was to examine the role of perinatal, obstetric and post partum factors on maternal and paternal stress. It will present the first examination of the role of prenatal, obstetric, post-partum, and demographic variables in parenting stress for mothers and fathers at 9 months. METHODS: Data from 6821 parental dyads of 9-month-old infants were extracted from the Growing Up in Ireland National Longitudinal Study of Children. Participants completed the Parental Stress Scale, the Dyadic Adjustment Scale, the Quality of Attachment Sub-scale from the Maternal and Paternal Postnatal Attachment Scales, and a single item health status question from the Short Form 12 Health Survey...
February 9, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28635334/timing-of-food-intake-during-simulated-night-shift-impacts-glucose-metabolism-a-controlled-study
#19
Crystal L Grant, Alison M Coates, Jillian Dorrian, David J Kennaway, Gary A Wittert, Leonie K Heilbronn, Maja Pajcin, Chris Della Vedova, Charlotte C Gupta, Siobhan Banks
Eating during the night may increase the risk for obesity and type 2 diabetes in shift workers. This study examined the impact of either eating or not eating a meal at night on glucose metabolism. Participants underwent four nights of simulated night work (SW1-4, 16:00-10:00 h, <50 lux) with a daytime sleep opportunity each day (10:00-16:00 h, <3 lux). Healthy males were assigned to an eating at night (NE; n = 4, meals; 07:00, 19:00 and 01:30 h) or not eating at night (NEN; n = 7, meals; 07:00 h, 09:30, 16:10 and 19:00 h) condition...
June 21, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28635306/self-injurious-behaviors-in-children-with-autism-spectrum-disorder-enrolled-in-the-study-to-explore-early-development
#20
Gnakub Norbert Soke, Steven A Rosenberg, Cordelia Robinson Rosenberg, Roma A Vasa, Li-Ching Lee, Carolyn DiGuiseppi
We assessed potential factors associated with "current" or "ever" self-injurious behaviors, reported in the Autism Diagnostic Interview-Revised, among children with autism spectrum disorder (n = 692) from the Study to Explore Early Development. Data on factors examined were obtained from questionnaires, standardized clinical instruments, and birth certificates. We employed a log-binomial regression to assess these associations. Although most associations were quite similar for currently and ever exhibiting self-injurious behaviors, a few differences were noted...
June 1, 2017: Autism: the International Journal of Research and Practice
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